Greenleaf Corp.’s XSYTIN-1 is a phase-toughened ceramic insert grade that resists wear and thermal shock. It is for milling, turning and grooving heat-resistant superalloys, cast iron, nodular iron, ductile iron, steel and stainless steel at extreme feed rates and high cutting speeds, according to the company. It is suitable for interrupted cuts, scale removal, roughing, semifinishing and finishing.